GrandMfg® brass Oil level sight glass plugs indicator gauge from Grand

Brass Oil Sight Glass

GrandMfg® Brass Oil level sight glass winow Plugs viewports Ölschauglas

Material Body: Brass or brass free of lead.

O-Ring: Viton,FKM,FPM,NBR, Aramid gasket and Copper seal

Glass Thickness: 2mm to 8 mm

Glass Type: Natural Glass,Tempered Glass and Borosilicate Glass

Glass shape: Flat glass and Domed glass

Resist Tempreature Range:-40'C to 180'C

Pressure Range: 5-50 Bar(1MPa to 5 MPa).

Thread type:NPT,NPTF,UNC,UNF,Metric and BSP(G thread)

Reflectors: Stainless Steel 304 Reflector /Same as body brass as a whole sight glass.

(Any type you can chose with reflector or without Reflector, You also can add float ball.)

Size： Below you will get the size you wanted.Another size is okay.OEM are welcome.

Allpication: Air Pump,Vaccumm pump,Receivers,Coolant Receivoir,Hydraulic tanks,Gearboxes,Speed Reducer,Gear unit,Worm gearbox, helical gear boxes, variable speed motor,auotomotive Worm gearboxes,Compressor and Power Transimission.

Brass Oil Sight Glass(Metric Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	SW(mm)	Max MPa/Temperateru
GM-BM10	M10	M10x1	7	7	14	15	6	13	1MPa / Metric and BSP Thread DIN3869-ED Gaskets for Sealing. Below Zero 25 to 180 Centigrade(FKM/Viton)
GM-BM12	M12	M12x1.5	7	7	14	17	8	15
GM-BM14	M14	M14x1.5	7	7	14	19	10	17
GM-BM16	M16	M16x1.5	7.5	7	14.5	22	11	19
GM-BM18	M18	M18x1.5	8	7	15	24	13	22
GM-BM20	M20	M20x1.5	8	7	15	26	14	23
GM-BM22	M22	M22x1.5	8	8	16	28	15	23
GM-BM24	M24	M24x1.5	8	9	17	30	17	24
GM-BM26	M26	M26x1.5	9	9	18	31	20	26
GM-BM27	M27	M27x1.5	9	9	18	32	20	29
GM-BM30	M30	M30x1.5	10	9	19	37	22	33
GM-BM33	M33	M33x1.5	11	9	20	40	24	36
GM-BM36	M36	M36x1.5	11	9	19	42	27	39
GM-BM40	M40	M40x1.5	11.7	11.8	23.5	47	33	43
GM-BM42	M42	M42x1.5	12	10	22	52	31	46
GM-BM60	M60	M60x2	13.5	10.5	24	71	46	62

Brass Oil Sight Glass(BSP Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	SW(mm)	Max MPa/Temperateru
GM-BG18	1/8"	G1/8"	8	8	16	14	6	13	1MPa / Metric and BSP Thread DIN3869-ED Gaskets for Sealing. Below Zero 25 to 180 Centigrade(FKM/Viton)
GM-BG14	1/4"	G1/4"	8	9	17	18	8	17
GM-BG38	3/8"	G 3/8"	7.5	7	14.5	22	10	19
GM-BG12	1/2"	G 1/2"	8	7	15	26	14	23
GM-BG34	3/4"	G 3/4"	9	9	18	32	20	26
GM-BG10	1"	G 1"	11	9	20	40	24	36
GM-BG114	1-1/4"	G1-1/4"	12	9	21	50	35	42
GM-BG112	1-1/2"	G1-1/2"	13	10	23	56	39	48
GM-BG20	2"	G 2"	13	10	23	70	48	60

Hexagon Brass Oil Sight Glass(Metric Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Max Mpa	Temperature
GM-HBM10	M10	M10x1	7	7	14	6	13	1MPa	Metric and BSP Thread DIN3869-ED Gaskets for Sealing. Below Zero 25 to 180 Centigrade(FKM/Viton)
GM-HBM12	M12	M12x1.5	7	7	14	8	17
GM-HBM14	M14	M14x1.5	7	7	14	10	19
GM-HBM16	M16	M16x1.5	7	7	14	11	22
GM-HBM18	M18	M18x1.5	8	7	15	14	24
GM-HBM20	M20	M20x1.5	8	7	15	16	26
GM-HBM22	M22	M22x1.5	8	7	15	17	28
GM-HBM24	M24	M24x1.5	8	8	16	17	30
GM-HBM26	M26	M26x1.5	9	8	17	20	33
GM-HBM27	M27	M27x1.5	9	8	17	20	33
GM-HBM30	M30	M30x1.5	10	9	19	23	36
GM-HBM33	M33	M33x1.5	11	10	22	25	40
GM-HBM42	M42	M42x1.5	12	10	22	31	52
GM-HBM60	M60	M60x2	13	10	23	46	71

Hexagon Brass Oil Sight Glass(BSP Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Max Mpa	Temperature
GM-HBG18	1/8"	G 1/8"	7	7	14	8	13	1MPa	Metric and BSP Thread DIN3869-ED Gaskets for Sealing. Below Zero 25 to 180 Centigrade(FKM/Viton)
GM-HBG14	1/4"	G 1/4"	7	7	14	8	17
GM-HBG38	3/8"	G 3/8"	7	7	14	11	22
GM-HBG12	1/2"	G 1/2"	8	7	15	16	26
GM-HBG34	3/4"	G 3/4"	9	8	17	20	33
GM-HBG10	1"	G 1"	12	10	22	25	40
GM-HBG114	1-1/4"	G1-1/4"	14	10	24	35	50
GM-HBG112	1-1/2"	G1-1/2"	14	11	25	39	55
GM-HBG20	2"	G2"	14	12	26	48	71

Circular Brass Oil Sight Glass With Relfector(BSP & Metric Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	H(mm)	Max MPa/Temperateru
GM-CBM16	M16	M16x1.5	2.6	4	8	9	15	22	1MPa / Below Zero 30 to 180 Centigrade(FKM/FPM/Viton).The glass can make red marking.The reflector can paint white
GM-CBM18	M18	M18x1.5	2.6	4	8	9	15	22
GM-CBM20	M20	M20x1.5	2.6	4	8	11.5	17.5	26
GM-CBM22	M22	M22x1.5	2.6	4	8	11.5	17.5	26
GM-CBM24	M24	M24x1.5	2.6	4	8	16	22	30
GM-CBM26	M26	M26x1.5	2.6	4	8	16	22	32
GM-CBM27	M27	M27x1.5	2.6	4	8	16	22	32
GM-CBM30	M30	M30x1.5	2.6	4.5	8.5	20	26	36
GM-CBM30D	M30	M30x2	2.6	4.5	8.5	20	26	36
GM-CBM33	M33	M33x1.5	2.6	4.5	9	22	28	38
GM-CBM33D	M33	M33x2	2.6	4.5	9	22	28	38
GM-CBM35	M35	M35x1.5	2.6	4.5	9	25	31	42
GM-CBM36	M36	M36x1.5	2.6	4.5	9	25	31	42
GM-CBM42	M42	M42x1.5	3.2	4.5	10	28	34	48
GM-CBM48	M48	M48x1.5	3.2	5	11	33	39	55
GM-CBM60	M60	M60x2	4.5	5.5	11	43	49	69

GM-CBG38	3/8"	G3/8"	2.6	4	8	9	15	22
GM-CBG12	1/2"	G1/2"	2.6	4	8	11.5	17.5	26
GM-CBG34	3/4"	G3/4"	2.6	4	8	16	22	32
GM-CBG100	1"	G1"	2.6	4.5	9	22	28	38
GM-CBG114	1 1/4"	G1 1/4"	3.2	4.5	10	28	36	48
GM-CBG112	1 1/2"	G1 1/2"	3.2	5	11	33	39	55
GM-CBG20	2"	G2"	4.5	5.5	11	43	49	69
GM-CBG212	2 1/2"	G2 1/2"	4.5	6.5	11.5	57	64	78

Circular Brass Oil Sight Glass With White Relfector(BSP & Metric Thread)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	H(mm)	Max MPa/Temperateru
GM-CBM16	M16	M16x1.5	2.6	4	8	9	15	22	1MPa / Below Zero 40 to 200 Centigrade.The glass can make red marking.The reflector can paint white
GM-CBM18	M18	M18x1.5	2.6	4	8	9	15	22
GM-CBM20	M20	M20x1.5	2.6	4	8	11.5	17.5	26
GM-CBM22	M22	M22x1.5	2.6	4	8	11.5	17.5	26
GM-CBM24	M24	M24x1.5	2.6	4	8	16	22	30
GM-CBM26	M26	M26x1.5	2.6	4	8	16	22	32
GM-CBM27	M27	M27x1.5	2.6	4	8	16	22	32
GM-CBM30	M30	M30x1.5	2.6	4.5	8.5	20	26	36
GM-CBM30D	M30	M30x2	2.6	4.5	8.5	20	26	36
GM-CBM33	M33	M33x1.5	2.6	4.5	9	22	28	38
GM-CBM33D	M33	M33x2	2.6	4.5	9	22	28	38
GM-CBM35	M35	M35x1.5	2.6	4.5	9	25	31	42
GM-CBM36	M36	M36x1.5	2.6	4.5	9	25	31	42
GM-CBM42	M42	M42x1.5	3.2	4.5	10	28	34	48
GM-CBM48	M48	M48x1.5	3.2	5	11	33	39	55
GM-CBM60	M60	M60x2	4.5	5.5	11	43	49	70

GM-CBG38	3/8"	G3/8"	2.6	4	8	9	15	22
GM-CBG12	1/2"	G1/2"	2.6	4	8	11.5	17.5	26
GM-CBG34	3/4"	G3/4"	2.6	4	8	16	22	32
GM-CBG10	1"	G1"	2.6	4.5	9	22	28	38
GM-CBG114	1 1/4"	G1 1/4"	3.2	4.5	10	28	36	48
GM-CBG112	1 1/2"	G1 1/2"	3.2	5	11	33	39	55
GM-CBG20	2"	G2"	4.5	5.5	11	43	49	69
GM-CBG212	2 1/2"	G2 1/2"	4.5	6.5	11.5	57	64	78

Hexagon Brass Oil Sight glass (NPT Thread)
Item No.	Size(mm)	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Max Mpa	Temperature
GM-BN14	1/4"	NPT 1/4"	15	11	16	9	17	1MPa	Below Zero 25 to 200 Centigrade
GM-BN38	3/8"	NPT 3/8"	16	11	27	11	19
GM-BN12	1/2"	NPT 1/2"	16.5	11.5	28	14	24
GM-BN34	3/4"	NPT 3/4"	17	12	29	19	28
GM-BN10	1"	NPT 1"	20	12	32	25	34/35
GM-BN114	1-1/4"	NPT1-1/4"	20	12	32	33	48
GM-BN112	1-1/2"	NPT1-1/2"	22	13	35	39	52
GM-BN20	2"	NPT 2"	23	13	36	49	65

Domed Hexagon Oil Sight Glass with locking Nut (NPT,BSP & Metric Thread)
Item No.	Size(mm)	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	SW(mm)	Temperature
GM-HDN14	1/4"	NPT 1/4"	12	16	9	12	10	21	Metric and BSP Thread DIN38-ED Gaskets for Sealing.With Borosilicate Glass Below Zero 25 to 200 Centigrade
GM-HDN38	3/8"	NPT 3/8"	13	16	11	16	13	24
GM-HDN12	1/2"	NPT 1/2"	14	16	13	18	13	26
GM-HDN34	3/4"	NPT 3/4"	17	16	20	25	15	36
GM-HDN10	1"	NPT 1"	20	16	25	30	15	40
GM-HDG14	1/4"	G1/4"	12	16	9	12	10	21
GM-HDG38	3/8"	G3/8"	10	16	11	16	13	24
GM-HDG12	1/2"	G1/2"	10	16	13	18	13	26
GM-HDG34	3/4"	G3/4"	12	16	20	25	15	36
GM-HDG10	1"	G1"	12	16	25	30	15	40
GM-HDM12	M12	M12x1	10	16	9	12	10	21
GM-HDM12	M12	M12x1.5	10	16	9	12	10	21
GM-HDM14	M14	M14x1.5	10	16	9	12	10	21
GM-HDM16	M16	M16x1.5	10	16	11	16	13	24
GM-HDM20	M20	M20x1.5	10	16	12	18	13	26
GM-HDM22	M22	M22x1.5	10	16	13	18	13	26
GM-HDM26	M26	M26x1.5	11	16	19	25	14	36
GM-HDM27	M27	M27x1.5	11	16	20	25	15	36
GM-HDM33	M33	M33x1.5	11	16	25	30	15	40

Domed Hexagon Oil Sight Glass(NPT,BSP & Metric Thread)
Item No.	Size(mm)	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	SW(mm)	Temperature
GM-HDN14	1/4"	NPT 1/4"	12	16	9	12	10	21	Metric and BSP Thread DIN38-ED Gaskets for Sealing.With Borosilicate Glass Below Zero 25 to 200 Centigrade
GM-HDN38	3/8"	NPT 3/8"	13	16	11	16	13	24
GM-HDN12	1/2"	NPT 1/2"	14	16	13	18	13	26
GM-HDN34	3/4"	NPT 3/4"	17	16	20	25	15	36
GM-HDN10	1"	NPT 1"	20	16	25	30	15	40
GM-HDG14	1/4"	G1/4"	12	16	9	12	10	21
GM-HDG38	3/8"	G3/8"	10	16	11	16	13	24
GM-HDG12	1/2"	G1/2"	10	16	13	18	13	26
GM-HDG34	3/4"	G3/4"	12	16	20	25	15	36
GM-HDG10	1"	G1"	12	16	25	30	15	40
GM-HDM12	M12	M12x1	10	16	9	12	10	21
GM-HDM12	M12	M12x1.5	10	16	9	12	10	21
GM-HDM14	M14	M14x1.5	10	16	9	12	10	21
GM-HDM16	M16	M16x1.5	10	16	11	16	13	24
GM-HDM20	M20	M20x1.5	10	16	12	18	13	26
GM-HDM22	M22	M22x1.5	10	16	13	18	13	26
GM-HDM26	M26	M26x1.5	11	16	19	25	14	36
GM-HDM27	M27	M27x1.5	11	16	20	25	15	36
GM-HDM33	M33	M33x1.5	11	16	25	30	15	40

Brass Oil Sight Glass SAE Threads (UNF/UNEF/UN/UNS)
Item No.	Size	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	SW(mm)	Max Mpa	Temperature
GM-BU12	1/2"	UNF1/2"-20	8	9	17	6	14	1MPa	Below Zero 25 to 200 Centigrade(SAE-O-Ring)
GM-BU916	9/16"	UNF9/16-18	8	9	17	8	17
GM-BU34	3/4"	UNF3/4"-16	8	9	17	12	24
GM-BU78	7/8"	UNF7/8"-14	9	10	18	15	27
GM-BU118	1-1/8"	UNF 1-1/8"-12	6.5	3.5	11	19	32
GM-BU118	1-1/8"-18	UNEF 1-1/8"-18	11	6.5	17.5	22	36
GM-BU114	1-1/4"	UNF 1-1/4"-12	17	6	23	22	40
GM-BU1516	1-5/16"	UN1-5/16"-12	10	12	22	20	38/40
GM-BU112	1-1/2"-18	UNEF1-1/2"-18	8	13	21	25	38
GM-BU178	1-7/8"	UN1-7/8"-12	13	14	27	32	56

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